Product Brochure

Generator Circuit-Breaker SystemsHECS

2 | ABB

G

Technical Data

Generator circuit-breaker system type HECS-80 HECS-130

General

Rated maximum voltage kV 23.0 25.3 25.3

Rated frequency Hz 50/60 50/60 50/60

Rated continuous current 50 Hz (HECS-S) A rms up to 8500

(HECS-M) A rms up to 10500 up to 10500

(HECS-L) A rms up to 13000 up to 13000

(HECS-Lplus) A rms up to 14500 up to 14500

Rated continuous current 60 Hz (HECS-S) A rms up to 8000

(HECS-M) A rms up to 10000 up to 10000

(HECS-L) A rms up to 12000 up to 12000

(HECS-Lplus) A rms up to 13700 up to 13700

Rated insulation level

Rated power frequency withstand voltage

to earth and across circuit-breaker/switch contacts kV rms 60 (80) 60 (80) 60 (80)

across isolating distance of disconnector kV rms 70 (88) 70 (88) 70 (88)

Rated lightning impulse withstand voltage

to earth and across circuit-breaker/switch contacts kV peak 125 (150) 125 (150) 125 (150)

across isolating distance of disconnector kV peak 145 (165) 145 (165) 145 (165)

Circuit-breaker

Rated peak withstand current kA peak 220 300 360

Rated short-time withstand current kA, 3s 80 100 130

Rated short-circuit making current kA peak 220 300 360

Rated short-circuit breaking current kA rms 80 100 130

Rated operating sequence CO - 30min - CO

Opening time ms 34 ± 5 34 ± 5 34 ± 5

Rated interrupting time ms 68 68 68

Mechanical endurance life CO 20000 20000 20000

Disconnector

Rated peak withstand current kA peak 220 300 360

Rated short-time withstand current kA, 3s 80 100 130

Operating time s 2 2 2

Earthing Switch

Rated peak withstand current kA peak 220 300 360

Rated short-time withstand current kA, 1s 80 100 130

Operating time s 2 2 2The above data are not limiting values. Additional data on request. We reserve the right to alter data and technical details without notice.

HECS-100

Equipment Options

1 Generator circuit-breaker 2 Line disconnect switch 3 Earthing switch 4 Starting switch for SFC connection 5 Manual short-circuiting connection

6 Surge capacitor 7 Current transformers 8 Voltage transformers 9 Surge arrester10 Motor-operated short circuiting link

7

8

6

3

4

1 2 7

5

3

6 9

8

(only with generator side earthing switch)

(by removal of cover)

10

ABB | 3

Dimension DrawingHECS-S / HECS-M

Ø870

min

. 22

10

3470

*)

2270

3000

*)

1000 *) 1700 N(1100-1800) N(1100-1800) 610 400 *)

3710 + 2N *)

Transformer Side

Generator Side

N = Phase distance (Standard: 1200mm / 1400mm)

*) min. space required for erection and maintenance

1350

-150

0

4 | ABB

Dimension DrawingHECS-L

Ø870

min

. 23

30

3470

*)

2270

3000

*)

1000 *) 1700 N(1200-1800) N(1200-1800) 610 400 *)

3710 + 2N *)

Transformer Side

Generator Side

N = Phase distance (Standard: 1200mm / 1400mm)

*) min. space required for erection and maintenance

1350

-150

0

ABB | 5

Dimension DrawingHECS-Lplus

Ø870

min

. 24

05

3470

*)

2270

3000

*)

1000 *) 1700 N(1200-1800) N(1200-1800) 610 400 *)

3710 + 2N *)

Transformer Side

Generator Side

N = Phase distance (Standard: 1200mm / 1400mm)

*) min. space required for erection and maintenance

1350

-150

0

Contact us

© C

opyr

ight

AB

B.

1HC

0072

302

E02

/ A

B14ABB Switzerland Ltd

High Voltage ProductsBrown Boveri Strasse 5CH-8050 Zurich / SwitzerlandPhone: +41 58 588 34 24Email: sales.gcb@ch.abb.com

www.abb.com/gcb

Note

We reserve the right to make technical changes or

modify the contents of this document without prior

notice. With regard to purchase orders, the agreed

particulars shall prevail. ABB does not accept any

responsibility whatsoever for potential errors or

possible lack of information in this document.

We reserve all rights in this document and in the

subject matter and illustrations contained therein.

Any reproduction, disclosure to third parties or

utilization of its contents in whole or in parts – is

forbidden without prior written consent of ABB.

Copyright© 2012 ABB

All rights reserved